Question

The perimeter of a rectangle is known to be 18 m. What will be the breadth of the rectangle if the length is known to be 5 m?

Answer 1

Answer:

4m

Step-by-step explanation:

Given,

Perimeter = 18m

Length = 5m

Breadth = ?

Perimeter = 2(l+b)

         18m = 2(5+b)

          9m = 5+b

             b = 9-5

            b = 4m

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Answer 2

Step-by-step explanation:

• Hence, the formula of the breadth of Rectangle is b = P 2 - l where P denotes the perimeter.